The Eaton Industries MCCB circuit-breaker, with dimensions of 140x166x275mm, operates with nominal continuous current of 250A and a screw connection method for the main current circuit. Its shut-off mechanism is magnetic, with a protection degree of IP20 and an operating voltage of 690V. The NZM series circuit-breakers cover all applications with just four compact sizes, making mounting flexible with modular function groups. It features a magnetic short-circuit release in connection with an overload relay and a short-circuit release without overload trip. This circuit-breaker also fulfills all requirements of the AC-3 switching category.
Specifications
Overload release current setting (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 8 A to 14 A
With thermal protection : No
Phase failure sensitive : No
Switch off technique : Magnetic
Rated operating voltage (V) : 690 V to 690 V
Rated permanent current Iu (A) : 250
Rated operation power at AC-3, 230 V (kW) : 75
Rated operation power at AC-3, 400 V (kW) : 132
Type of electrical connection of main circuit : Screw connection
Type of control element : Rocker lever
Device construction : Built-in device fixed built-in technique
With integrated auxiliary switch : No
With integrated under voltage release : No
Number of poles : 3
Rated short-circuit breaking capacity lcu at 400 V, AC (kA) : 35
Degree of protection (IP) : IP20
Height (mm) : 275
Width (mm) : 140
Depth (mm) : 166
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